Clinical Study of the Third Dose Immunization Schedule of COVID-19 Inactivated Vaccine, (Vero Cells) in Adults Aged 18 Years and Above

NCT ID: NCT05164731

Last Updated: 2022-02-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE3

Total Enrollment

880 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-12-16

Study Completion Date

2022-10-30

Brief Summary

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To evaluate the immunogenicity and safety of the third dose SARS-CoV-2 Vaccine, Inactivated (Vero Cell) in adults aged 18 years and above, who inoculated the third dose after 3, 4, 5, or 6 months since finished two doses schedule of Institute of Medical Biology Chinese Academy of Medical Sciences SARS-CoV-2 inactivated vaccine.

Detailed Description

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Conditions

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SARS-CoV2 Infection

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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3 months after two doses

the third does was given 3 months after two doses

Group Type EXPERIMENTAL

SARS-CoV-2 Vaccine, Inactivated (Vero Cell)

Intervention Type BIOLOGICAL

the third does was given 3, 4, 5 or 6 months after two doses

4 months after two doses

the third does was given 4 months after two doses

Group Type EXPERIMENTAL

SARS-CoV-2 Vaccine, Inactivated (Vero Cell)

Intervention Type BIOLOGICAL

the third does was given 3, 4, 5 or 6 months after two doses

5 months after two doses

the third does was given 5 months after two doses

Group Type EXPERIMENTAL

SARS-CoV-2 Vaccine, Inactivated (Vero Cell)

Intervention Type BIOLOGICAL

the third does was given 3, 4, 5 or 6 months after two doses

6 months after two doses

the third does was given 6 months after two doses

Group Type EXPERIMENTAL

SARS-CoV-2 Vaccine, Inactivated (Vero Cell)

Intervention Type BIOLOGICAL

the third does was given 3, 4, 5 or 6 months after two doses

Interventions

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SARS-CoV-2 Vaccine, Inactivated (Vero Cell)

the third does was given 3, 4, 5 or 6 months after two doses

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

1. Axillary temperature ≤37.0 ℃.
2. aged 18 years and above, after 3, 4, 5, or 6 months since finished two doses schedule of Institute of Medical Biology Chinese Academy of Medical Sciences SARS-CoV-2 inactivated vaccine.
3. Proven legal identity, could come each visit.
4. Participants should understand the contents of the informed consent form, the vaccine in this trial, voluntarily sign the informed consent form.

Exclusion Criteria

1. Persons with a clear history of SARS-CoV-2 infection.
2. Using blood products after basic immunization or receiving immunosuppressive therapy.
3. Participants who have a positive pregnancy test, or are breastfeeding, or plan to become pregnant, or plan to donate sperm or eggs from the screening to 6 months after vaccination.
4. Allergic to the active substance in the vaccine, any inactive substance or substance used in the preparation process (aluminum hydroxide, glycine);
5. History of abnormal clinical manifestations and serious diseases to be excluded, including but not limited to nervous system, cardiovascular system, blood and lymphatic system, immune system, kidney, liver, gastrointestinal tract, respiratory system, metabolism, bones and other system diseases, and a history of malignant tumors.
6. Diseases beyond drug control, such as high blood pressure, diabetes, asthma.
7. Those who developed acute disease within 2 weeks, or had symptoms of fever or upper respiratory tract infection within 7 days.
8. Immunization with any vaccine within 14 days.
9. Any other situations judged by investigators as not suitable for participating in this study.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Yunnan Center for Disease Control and Prevention

OTHER

Sponsor Role collaborator

Chinese Academy of Medical Sciences

OTHER

Sponsor Role lead

Responsible Party

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Jingsi Yang

Senior Technologist

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Yan Zheng

Role: PRINCIPAL_INVESTIGATOR

Yunnan Center for Disease Control and Prevention

Locations

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Mile City Centers for Disease Control and Prevention

Mile, Yunnan, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Jingsi Yang, Master

Role: CONTACT

86-0871-68334551

Facility Contacts

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Jianmei Zhou

Role: primary

0873-6122274

Other Identifiers

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20211102

Identifier Type: -

Identifier Source: org_study_id

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